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All results from a given calculation for CH3SeH (Methane selenol)

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-17.381545
Energy at 298.15K-17.383492
Nuclear repulsion energy20.052920
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/CEP-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3191 3090 23.58      
2 A' 3071 2974 40.17      
3 A' 2255 2184 150.38      
4 A' 1483 1437 11.82      
5 A' 1339 1297 7.26      
6 A' 1013 981 36.76      
7 A' 703 681 2.19      
8 A' 550 533 0.64      
9 A" 3191 3090 28.61      
10 A" 1480 1433 14.36      
11 A" 923 894 16.59      
12 A" 195 189 12.28      

Unscaled Zero Point Vibrational Energy (zpe) 9697.5 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 9391.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/CEP-31G
ABC
3.05338 0.29289 0.28209

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 -0.032 -0.435 0.000
C2 -0.032 1.588 0.000
H3 1.469 -0.551 0.000
H4 -1.092 1.882 0.000
H5 0.461 1.963 0.907
H6 0.461 1.963 -0.907

Atom - Atom Distances (Å)
  Se1 C2 H3 H4 H5 H6
Se12.02281.50592.54772.61102.6110
C22.02282.61321.09961.09881.0988
H31.50592.61323.53242.85642.8564
H42.54771.09963.53241.80061.8006
H52.61101.09882.85641.80061.8139
H62.61101.09882.85641.80061.8139

picture of Methane selenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 C2 H4 105.519 Se1 C2 H5 109.975
Se1 C2 H6 109.975 C2 Se1 H3 94.421
H4 C2 H5 109.979 H4 C2 H6 109.979
H5 C2 H6 111.259
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.028      
2 C -0.620      
3 H 0.001      
4 H 0.193      
5 H 0.199      
6 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.922 1.587 0.000 1.835
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.684 -1.054 0.000
y -1.054 -20.741 0.000
z 0.000 0.000 -24.816
Traceless
 xyz
x 2.094 -1.054 0.000
y -1.054 2.009 0.000
z 0.000 0.000 -4.104
Polar
3z2-r2-8.207
x2-y20.057
xy-1.054
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.105 -0.301 0.000
y -0.301 6.164 0.000
z 0.000 0.000 2.342


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000